80845433 has 2 divisors, whose sum is σ = 80845434. Its totient is φ = 80845432.

The previous prime is 80845397. The next prime is 80845447. The reversal of 80845433 is 33454808.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66797929 + 14047504 = 8173^2 + 3748^2 .

It is a cyclic number.

It is not a de Polignac number, because 80845433 - 2¹⁰ = 80844409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80845393 and 80845402.

It is not a weakly prime, because it can be changed into another prime (80847433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40422716 + 40422717.

It is an arithmetic number, because the mean of its divisors is an integer number (40422717).

Almost surely, 2^80845433 is an apocalyptic number.

It is an amenable number.

80845433 is a deficient number, since it is larger than the sum of its proper divisors (1).

80845433 is an equidigital number, since it uses as much as digits as its factorization.

80845433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 80845433 is about 8991.4088440021. The cubic root of 80845433 is about 432.3994807996.

The spelling of 80845433 in words is "eighty million, eight hundred forty-five thousand, four hundred thirty-three".